Berean Standard Bible (BSB)
He will oppose and exalt himself above every so-called god or object of worship. So he will seat himself in the temple of God, proclaiming himself to be God.
World English Bible (WEB)
he who opposes and exalts himself against all that is called God or that is worshiped; so that he sits as God in the temple of God, setting himself up as God.
Strong's King James
Who{G3588} opposeth{G480}{(G5740)} and{G2532} exalteth{G5229}{(G5746)} himself above{G1909} all{G3956} that is called{G3004}{(G5746)} God{G2316}, or{G2228} that is worshipped{G4574}; so{G5620} that he{G846} as{G5613} God{G2316} sitteth{G2523}{(G5658)} in{G1519} the temple{G3485} of God{G2316}, shewing{G584}{(G5723)} himself{G1438} that{G3754} he is{G2076}{(G5748)} God{G2316}.
The F.O.G *
(4) The one opposing and exalting himself above every so-called 'god' or object of worship, so that he's seated in the sanctuary of אֱלֹהִים Elohim, displaying himself as being אֱלֹהִים Elohim!
The F.O.G Message *
Young's Literal Translation
who is opposing and is raising himself up above all called God or worshipped, so that he in the sanctuary of God as God hath sat down, shewing himself off that he is God—the day doth not come.